Specification Test Results

• Assay:
  85.0 - 90.0 %
• Appearance of solution S:
  Passes test Ph.Eur.
• Hypophosphorous and phosphorous acids:
  Passes test Ph.Eur.
• Identification A:
  Passes test Ph.Eur.
• Identification B:
  Passes test Ph.Eur.
• Substances precipitated with ammonia:
  Passes test Ph.Eur.
• Colouration:
  Max. 10 APHA
• Density (20/4):
  1.680 - 1.710
• Volatile acids:
  Max. 0.0002 meq/g
• Heavy metals (as Pb):
  Max. 5 ppm
• Insoluble substances:
  Max. 10 ppm
• Reducing substances (as H3PO3):
  Max. 50 ppm
• Substances reducing KMnO₄ (as O):
  Max. 10 ppm
• Silica:
  Max. 0.025 %
• Cl (Chloride):
  Max. 2 ppm
• F (Fluoride):
  Max. 1 ppm
• NO₂ (Nitrite):
  Max. 0.05 ppm
• NO₃ (Nitrate):
  Max. 5 ppm
• SO₄ (Sulphate):
  Max. 30 ppm
• As (Arsenic):
  Max. 0.5 ppm
• Ca (Calcium):
  Max. 20 ppm
• Cd (Cadmium):
  Max. 1 ppm
• Co (Cobalt):
  Max. 1 ppm
• Cu (Copper):
  Max. 1 ppm
• Fe (Iron):
  Max. 5 ppm
• K (Potassium):
  Max. 5 ppm
• Mg (Magnesium):
  Max. 10 ppm
• Mn (Manganese):
  Max. 0.5 ppm
• Na (Sodium):
  Max. 0.025 %
• Ni (Nickel):
  Max. 1 ppm
• Pb (Lead):
  Max. 1 ppm
• Sb (Antimony):
  Max. 5 ppm
• Zn (Zinc):
  Max. 2 ppm
• Conforms to ACS:
  Passes test
• Conforms to Reag. Ph.Eur.:
  Passes test